2012 MERCEDES-BENZ CLS COUPE lock

Problem Possible causes/consequences and
M Solutions
!
The yellowA
BS warning
lamp is lit while the
engine is running. A
warning tone also
sounds. EBD is not available due to
amalfunction .Therefore, ABS,B AS,
BAS PLUS, ESP ®
,P RE-SAFE ®
,P RE-SAFE ®
Brake, the HOLD func-
tion, hill start assist and the adaptive brake lights, for example,
are not available either.
ATTENTION ASSIST is deactivated.
G WARNING
The brake system continues to function normally, but without the
functions listed above. The front and rear wheels could therefore
lock if you brake hard, for example.
The steerability and braking characteristics may be severely affec-
ted. The braking distance in an emergency braking situation can
increase.
If ESP ®
is not operational, ESP ®
is unable to stabilise the vehicle.
The danger of skidding and having an accident increases.
X Observe the additional display messages in the multifunction
display.
X Drive on carefully.
X Visit aqualified specialist workshop. J֌!
The red brake warning
lamp, the yellow ESP
®
and ESP ®
OFF warning
lamps and the yellow
ABS warning lamp are
lit while the engine is
running. ABS and ESP
®
are not available due to afault. Therefore, BAS,B AS
PLUS, EBD,P RE-SAFE®
,P RE-SAFE ®
Brake ,the HOLD function ,hill
start assist and th eadaptive brak elights ,for example, are not
available either.
ATTENTION ASSIST is deactivated.
G WARNING
The brak esystem continues to function normally, but without the
function slisted above. The fron tand rea rwheels could therefore
lock if you brake hard, for example.
The steerability and braking characteristics may be severely affec-
ted. The braking distance in an emergency braking situation can
increase.
If ESP ®
is not operational, ESP ®
is unable to stabilise the vehicle.
The danger of skidding and having an accident increases.
X Observe the additional displaym essages in the multifunction
display.
X Drive on carefully.
X Visit aqualified specialist workshop. Warning and indicator lampsint
he instrument cluster
263On-board computer and displays Z

Problem Possible causes/consequences and
M Solutions
?
The red coolant warn-
ing lamp comes on
while the engine is run-
ning.
The coolant level is too low.
If the coolant level is correct, the airflow to the engine radiator
may be blocked or the electric engine radiator fan may be mal-
functioning.
The coolant is too hot and the engine is no longer being cooled
sufficiently.
X
Observe the additional display messages in the multifunction
display.
X Stop the vehicle immediately, paying attention to road and traf-
fic conditions, and switch off the engine.
X Secure the vehicle against rolling away (Y page 159).
X Leave the vehicle and keep asafe distance from the vehicle until
the engine has cooled down.
X Check the coolant level and top up the coolant, observing the
warning notes (Y page 299).
X If you have to top up the coolant frequently, have the engine
cooling system checked.
X Make sure that the air supply to the engine radiator is not
blocked, e.g. by frozen slush.
X Do not start the engine again until the coolant temperature is
under 120 †. The engine may otherwise be damaged.
X Drive to the nearest qualified specialist workshop.
X Avoid heavy loads on the engine as you do so, e.g. driving in
mountainous terrain and stop-start traffic. ?
The red coolant warn-
ing lamp comes on
while the engine is run-
ning.
Awarning tone
also sounds. The coolant temperature has exceeded 120 †. The airflow to the
engine radiator may be blocked or the coolant level may be too
low.
G WARNING
The engine is not being cooled sufficiently and may be damaged.
Never drive with an overheated engine. Driving when your engine
is overheated can cause some fluids which may have leaked into
the engine compartmen ttocatch fire.
Steam from an overheated engine can cause serious burns, which
can occur just by opening the bonnet.
This poses arisk of injury.
X Observe the additional display messages in the multifunction
display.
X Stop the vehicle immediately, paying attention to road and traf-
fic conditions, and switch off the engine.
X Secure the vehicle against rolling away (Y page 159).268
Warning and indicator lampsint
he instrument clusterOn-board computer and displays

Problem Possible causes/consequences and
M Solutions
X
Leave the vehicle and keep asafe distance from the vehicle until
the engine has cooled down.
X Check the coolant level and top up the coolant, observing the
warning notes (Y page 299).
X If you have to top up the coolant frequently, have the engine
cooling system checked.
X Make sure that the air supply to the engine radiator is not
blocked, e.g. by frozen slush.
X If the coolant temperature is below 120 †, you can continue
driving to the nearest qualified specialist workshop.
X Avoid heavy loads on the engine as you do so, e.g. driving in
mountainous terrain and stop-start traffic. Driving systems
Problem Possible causes/consequences and
M Solutions
·
The red distance warn-
ing lamp lights up while
the vehicle is in motion.
The distance to the vehicle in front is too small for the speed
selected.
X
Increase the distance. ·
The red distance warn-
ing lamp lights up while
the vehicle is in motion.
Aw
arning tone also
sounds. You are approaching
avehicle or astationar yobstacle in your line
of travel at to ohigh aspeed.
X Be prepared to brak eimmediately.
X Pay careful attentio ntothetraffic situation. You may have to
brak eort akee vasive action.
Further informatio nonDISTRONICPLUS(Ypage 170).
Further informatio nonPRE-SAFE ®
Brake (Y page 68). Warning and indicator lamps in th
einstrumen tcluster
269On-boar dcomputer and displays Z

Useful information
i This Owner's Manual describes all mod-
els, series and optional equipment for your
vehicle that were available at the time of
going to press. National variation sare pos-
sible. Not ethat your vehicle may not be
equipped with all of the function sdescri-
bed. This is also the case for system sand
function srelevan ttosafety.
i Read the information on qualified special-
ist workshops: (Y page 23). Stowage areas
Loading guidelines
G
WARNING
Secure and position the load as described in
the loading guidelines.
Otherwise, vehicle occupants could
be injured by the load being thrown around in
the even tofsharp braking, asudden change
in direction or an accident.
You will find further information in the "Secur-
ing aload" section.
Even if you follow all the loading guidelines,
the load will increase the risk of injury in the
event of an accident. G
WARNING
Keep the boot lid closed while the vehicle is
in operation. Otherwise, you could be pois-
oned by exhaust fumes enteringt he vehicle.
The handling characteristics of aladen vehi-
cle are dependent on the distribution of the
load within the vehicle. For this reason, you
should observe the following notes when
transporting aload:
R when transporting aload, never exceed the
maximum permissible gross vehicle weight or the permissible axle loads for the vehicle
(including occupants).
R position heavy loads as far forwards as pos-
sible and as low down in the boot as pos-
sible.
R the load must not protrude above the upper
edge of the seat backrests.
R always place the load against the rear or
front seat backrests. Make sure that the
seat backrests are securely locked into
place.
R always place the load behind unoccupied
seats if possible.
R secure the load with sufficiently stronga nd
wear-resistant lashing material. pad sharp
edges for protection.
i Load restraintsa re available at any quali-
fied specialist workshop, e.g. aMercedes-
Benz Service Centre. Stowage compartments
Important safety notes G
WARNING
The stowage compartments must be closed
when items are stored in them. Luggage nets
are not designed to secure heavy items of
luggage.
You or other vehicle occupants could be
injured by objectsb eing thrown around if you:
R brake sharply
R change direction suddenly
R are involved in an accident
Sharp-edged and fragile objectsm ust not be
placed in the luggagen et.
Do not place hard objectsint he map pockets.
Objectsm ust not protrude from the map
pockets. 272
Stowage areasStowing and features

Glove compartment
X
To open: pullhandle :and open glove
compartment flap ;.
X To close: fold glove compartment flap ;
upwards until it engages.
i The glove compartment can be ventilated
(Y page 137). The glove compartment can only be locked
and unlocked using the emergency key ele-
ment.
X To lock: insert the emergency key element
into the lock and turn it 90° clockwise to
position 2.
X To unlock: insert the emergency key ele-
ment into the lock and turn it 90° anti-
clockwise to position 1. Spectacles compartment There is
acompartment to stow spectacle sin
the roof lining on the driver's side.
X To open: pulldown spectacle scompart-
ment :by the handle.
Stowag ecompartments in the front
centre console Front stowag
ecompartment (except AMG vehi-
cles)
X To open: slidethe cover forwards by han-
dle :in the direction of the arrow until it
engages.
X To close: brieflypress the front of han-
dle :. Stowage areas
273Stowing and features Z

face
;has reache dthe desired position
and the box is the desired size.
X To raise the load surface: press switch
=.
Load surface ;of the box moves up auto-
matically.
X To stow the box: pushthe box in by han-
dle :allt he waytot he stop.
Removing and fitting X
To install: insert retainer ;of box :into
slots = X
Raise box :and press hooks Ainto
anchorage ?as far as they wil lgo.
X Turn left-hand rotating catch Bclockwise
and right-hand rotating catch Banti-clock-
wis eby9 0°.
X To remove: turn left-hand rotating catch
B anti-clockwise and right-hand rotating
catch Bclockwise by 90°.
X Move box :downward sand pul litout
from anchorages ?. i
Store the EASY-PACK boot box on aflat
surface after removal, e.g. on asuitable
shelf. Stowage well under the boo
tfloor
! Remove the handle again befor eclosing
the boot lid and snap it in tightly to prevent
the handle flap fro mprotruding. Otherwise,
you coul ddamage the handle. The TIREFIT kit, the vehicl
etool kit, etc. are
located in the stowage compartment.
X To open: pullhandle :up. X
Hook handle :into rain trough ;. Roof carrier
Important safety notes G
WARNING
An incorrectly secure droof carrier, ski rack or
load could become detached from the vehi-
cle. These object smight then be thrown 278
Stowage areasStowing and features

Rear-window rolle
rsunblind
Extending/retractin gthe roller sun-
blind !
Make sure that the roller sunblind can
move freely. Otherwise, the roller sunblind
or other objects coul dbedamaged. X
Turn the key to position 2in the ignition
lock (Y page141).
X To exten dorretract: briefly press but-
ton :.
The roller sunblind fully extends or fully
retracts. Ashtray
Fron tashtray !
The stowage space unde rthe ashtray is
not heat resistant. Before placing lit ciga-
rettes in the ashtray, make sure that the
ashtray is properly engaged. Otherwise, the
stowage space could be damaged. All vehicles (except AMG) X
To open: slide cover :forwards until it
engages.
X To remove the insert: hold insert=by
the indentation at the sides and lift it
up ; and out.
X To refit the insert: press insert=into the
holder until it engages.
X To close: briefly press cover :at the
front.
The cover moves back. AMG vehicles
X
To open: briefly press the trim on
cover :.
The stowage compartmento pens.
X To remove the insert: slide insert;for-
wards in the direction of the arrow.
X Remove insert ;.
X To refit the insert: place the insert intothe
holder and press it in the opposite direction
of the arrow until it engages.
X To close: fold down cover :.
i You can remov ethe ashtray insert and
use the resultin gcompartment for stow-
age. 282
FeaturesStowing and features

Rear-compartmen
tashtray X
To open: slide cover ;forwards.
X To remove the insert: pull insert:up
and out.
X To fit the insert: fit insert:from above
into the holder and press dow ninto the
holde runtil it engages. Cigarette lighter
G
WARNING
Onl yholdt he hot cigarette lighte rbyitsknob.
Otherwise ,you might burn yourself.
Mak esuret hatc hildren travellin ginthevehi-
cle are no table to injure themselves on the
hot cigarette lighter or cause afire with it. All vehicles (excep
tAMG)
X Turn the key to position 2in the ignition
lock (Y page 141).
X To open: slide cover :forwards until it
engages. X
Press in cigarette lighter ;.
Cigarette lighter ;will pop out automati-
cally when the heating element is red-hot.
X To close: briefly press cover :at the
front.
The cover moves back. AMG vehicles
X
Turn the key to position 2in the ignition
lock (Y page 141).
X To open: briefly press the trim on
cover :.
The stowage compartmento pens.
X Press in cigarette lighter ;.
Cigarett elighter ;will pop out automati-
cally when the heatin gelement is red-hot. 12
Vsockets
General notes X
Turn th ekey to position 1in th eignition
lock (Y page 141).
The socket scan be used for accessories with
am aximum draw of 18 0W(15 A). Accesso-
ries include such items as lamps or chargers
for mobil ephones.
If you use th esocket sfor lon gperiods when
th ee ngine is switche doff,t he battery may
discharge.
i An emergency cut-offe nsures thatthe on-
board voltage does not drop too low. If the
on-board voltage is too low, the power to
the socketsisa utomatically cut. This Features
283Stowing and features Z